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29213 (1991 SJ)
Classification: Main-belt Asteroid          SPK-ID: 2029213
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1165417467585169 5.8692e-08  
a 2.196445468987749 1.1211e-08 AU
q 1.940467877372087 1.2868e-07 AU
i 5.200438014530643 5.3571e-06 deg
node 139.4956430263686 6.9325e-05 deg
peri 83.75117121419399 7.3904e-05 deg
M 103.5235484372199 2.3628e-05 deg
tp 2456458.586920839822
(2013-Jun-15.08692084)
7.8339e-05 JED
period 1188.992363146333
3.26
9.103e-06
2.492e-08
d
yr
n .3027773862629036 2.3181e-09 deg/d
Q 2.452423060603412 1.2517e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      893  
   data-arc span      7956 days (21.78 yr)  
   first obs. used      1991-09-15  
   last obs. used      2013-06-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4998  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 02:15:35  

Additional Information
 Earth MOID = .94039 AU 
 T_jup = 3.654 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6 mag n/a MPO266102  

29213 (1991 SJ)          Discovered 1991-Sep-29 by McNaught, R. H. at Siding Spring (413)
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 SJ = 2000 CB95 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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